Effects of Kaolin Surface Treatments on the Thermomechanical Properties and on the Degradation of Polypropylene

Table 2

Mechanical characteristics of PP/kaolin composites as a function of kaolin and silane concentrations.

Kaolin (phr)	2					4
Z6020 (%)	𝜎𝑦(MPa)	𝜀𝑦 (%)	𝜎𝑟 (MPa)	𝜀𝑟 (%)	𝑎𝑘 (KJ/m²)	𝜎𝑦(MPa)	𝜀𝑦 (%)	𝜎𝑟 (MPa)	𝜀𝑟 (%)	𝑎𝑘 (KJ/m²)
2	23	13	17	650	44	23	11	17	650	35
4	23	11	17	600	43	23	9	17	530	41